Equation 18 · Measuring What a RAG System Retrieves, Not Just What It Answers
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Symbol k
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What the article says around this equation
The measurement structure explains the divergence directly. Let R be the event that the retriever’s top- k results contain sufficient evidence to answer the query, and let “correct” mean the generated answer is judged faithful and relevant. Total correctness decomposes as
Sources cited in the article section
- [8] Benchmarking Large Language Models in Retrieval-Augmented Generation ↗
- [9] CRAG: Comprehensive RAG Benchmark ↗
These citations give research context. Read each source to check which claims it supports.
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